Sherill Howard Pociecha	The English Advisor or how to use English for communication in the real world a patchwork approach to what's wrong with your English.
William Edmonds	Guide to good English
John & Liz Soars	Headway Preintermediate
Tadeusz Grzebieniowski	Langenscheidt's Pocket English Dictionary
Jean-Claude Corbeil & Ariane Archambaut	Wielojezyczny Slownik Wizualny
Daphne M. Gulland & David G. Hinds-Howell	Dictionary of English Idioms
Ren'e Bosewitz	Penguin Students' Grammar of English
Michael Swan	Practical English Usage